Home / 1,566,789,402.47-2,165,271,614.97-1,284,085,947.56

Finding the Fourth Proportional to 1,566,789,402.47, 2,165,271,614.97 and 1,284,085,947.56

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Solution

The fourth proportional to 1,566,789,402.47, 2,165,271,614.97 and 1,284,085,947.56 is: 1,774,581,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,789,402.47 : 2,165,271,614.97 = 1,284,085,947.56 : x
  2. Step 2: Convert to fraction form
    1,566,789,402.47/2,165,271,614.97 = 1,284,085,947.56/x
  3. Step 3: Cross multiply
    1,566,789,402.47x = 2,165,271,614.97 × 1,284,085,947.56
  4. Step 4: Simplify right side
    1,566,789,402.47x = 2,780,394,853,422,697,472
  5. Step 5: Solve for x
    x = 2,780,394,853,422,697,472/1,566,789,402.47
  6. Step 6: Final answer
    x = 1,774,581,094.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.